Two draws will be made at random from a box containing 5

Reference no: EM13628769

1. Two draws will be made at random from a box containing 5 marbles, red, yellow, green, black and blue. The unconditional probability of getting a red marble on the first draw is 1/ 5 . The unconditional probability of getting a red marble on the second draw is 1/5 .

a. The chance that the first draw turns out to be the red marble and the second draw turns to be the red is 1/5 x 1/5 =1/25 when the draws are made __________ replacement, because then the events are________________.

b. The chance that the first draw turns out to be the red marble and the second draw turns to be the red is 0 when the draws are made __________ replacement, because then the events are________________.

c. The chance that at least one of the two draws turns out to be the red marble must be calculated as 1 - (3/4 x 3/4) = 5/16 when the draws are made ______________, because then the events are not ______________.

d. The chance that neither of the two draws turns out to be the red marble is 4/5 x 3/4 = 3/5 when the draws are made_____________________ Replacement, because then the draws are not___________________.

e. The chance that neither of the two draws turns out to be the red marble is 4/5 x 4/5 = 16/25 when the draws are made_____________________ Replacement, because then the draws are ___________________.

Reference no: EM13628769

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